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Oil & Gas

GiaventOil & Gas


GIAVENT can  proceed with the validation of the Engineering carried out by third parties, giving assistance with the tecnichal bid evaluations and engineering services, based on the Client’s and Project’s specific needs.


  • General Plan of Foundations
  • Calculation and design of the steel structures
  • Calculation and design of the Pipe-cable rack
  • Buildings’ calculation and design
  • Streets’ calculation and design
  • Reinforced concrete’s calculation
  • Foundation and supports’ computation
  • Foundations calculation for dynamic machines
  • BOQ for civil works
  • 2D/3D design
  • HVAC


  • General Plan
  • Key plans
  • Underground Systems Plans
  • Isometrics
  • Piping Stress Analysis
  • Unifilar methalic outlines
  • Piping Specifications
  • Lines list for process and services
  • MTO (Material Take Off)
  • MR (Material requisition)
  • Technical Bid Evalutation and offers alignement
  • BOQ for painting, isolation and covering
  • As Built


  • One line and functional diagram
  • Technical Data Sheets of instrumentation and valves
  • General layouts and detail design of electrical consumption, cables way and and ground system
  • Wiring diagrams
  • Instrumentation and valves list
  • Material take off and cables lists
  • Technical specifications for purchasing
  • Technical Bid Evalutation and offers alignement


  • Mechanization of process sheets
  • Issue of process data sheets and static equipments design
  • Hydraulic studies
  • Specifications for compressed air skid, gas skid, chemical injection skid, pumps skid
  • Purchising Specifications
  • Technical Bid Evalutation and offers alignement
  • Follow-up of HAZID and HAZOP
  • Environmental impact study and risks analysis


Plants Pre-Commissioning, Commissioning & Start Up, wheter developed by ourselves or designed by others.
Our team offers a very high level of competence and thorugh continuous monitoring and controls activities during all the steps, side by side with the client, can perform :

  • Development of pre-commissioning & commissioning procedures
  •  In-house commissioning Software : Management of Commissioning Documentation, Automatic generation of Commissioning Dossiers and reports
  • Conformity Checks
  • Static Checks
  • Equipment Checks
  • Loop checks
  • Motor run in e Leak test
  • Inspections
  • Continuity test
  • Instruments Calibration
  • Energization
  • Start-up sequency
  • Organisation and planning of Commissioning steps
  • Handover proceedure and its application
  • Punch list’s definition and managing